Bootstrap is still going strong. And have you checked ReactStrap?

The VDOM craze may have you think that Bootstrap is dead. It isn’t. It’s as powerful as ever that the first-class citizenship of Popper.js and an ever evolving jQuery still make it the grandmaster of go-to toolkits for getting good Web-UIs done quickly. It also works very neatly together with virtual DOM libraries such as React. Check out ReactStrap to see how it’s done.

React JS

Within the last decade React has become the de-facto standard technology for Web UIs, along with the concept of “Virtual DOM”. Now with the patents problem removed and React – just like jQuery – becoming a first-class citizen in WordPress with the release of WordPress 5.0 there is yet another solid reason to become familiar with this toolkit as it probably is here to stay for quite a while and remain one of the Big-Wig Toolkits for Web Application Development.

Here are some links to get you started if you haven’t already: